DICOTYLEDONS: SYMPETALJ5 



307 



ment. To-day Florida, Connecticut, Pennsylvania, and 

 Wisconsin lead in the production of the finer grades; while 

 the States producing the other grades are, in their order, 

 Kentucky, Virginia, North Carolina, Maryland, Ohio, In- 

 diana, and Missouri. The finest tobacco in the world is 

 grown in Cuba, that from Florida ranking second; while the 

 tobacco of Borneo, Ceylon, and the Philippine Islands is 

 not much inferior. The growing plant is handsome, with 

 showy flowers, and is often used as an ornamental plant. 

 The single species is Nicotiana Ta- 

 bacum, and is of South American 

 origin. 



172. Labiates. This family (La- 

 biatcp") has received its name from 

 its two-lipped or bilabiate corolla 

 ( 133). This does not mean that 

 all plants with bilabiate flowers be- 

 long to this family; but if this char- 

 acter is associated with square stems 

 and opposite leaves, and also with 

 an ovary so deeply lobed that it 

 looks like four little nutlets in the 

 bottom of the flower, the plant can 



be regarded as a member of the f am- FIG. 293.-Catnip (Mint Fam- 



i /TT <-/~vo\ mi e ^ Hy)'- A , flower-cluster; B, 



ily (Fig. 293). The foliage is usu- Bing i e flower . c? pistilt 

 ally aromatic, and the family is com- showing the deeply four- 



lobed ovary. After BAJX- 



monly called the Mint Family. Many LON. 

 common wild plants and garden herbs 



will be recognized as belonging here, familiar names being 

 sweet basil, pennyroyal, lavender, mint, hoarhound, hys- 

 sop, savory, marjoram, thyme, balm, sage, rosemary, cat- 

 nip (Fig. 293), etc. 



173. Madders. This very large tropical family (Rubia- 

 cece) is represented in our flora by only a few forms, such 

 as bluets, buttonbush, partridgeberry, etc., which may be 



